THE CALCARIMETER. 255 



application, I might state that it, along with the fluid, has been 

 placed in the hands of persons entirely unacquainted with 

 chemistry, and even with the principle of the instrument, and 

 they have, with some little instruction in the manipulations 

 necessary, obtained results only one or two per cent, out of 

 the way in their first examination. The instrument is designed 

 specially for examining calcareous manures. 



